<HTML>
<BODY BGCOLOR="white">
<PRE>
<FONT color="green">001</FONT>    package org.hackystat.utilities.time.period;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.text.SimpleDateFormat;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.ArrayList;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.util.Calendar;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.util.List;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.util.Locale;<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    import javax.xml.datatype.XMLGregorianCalendar;<a name="line.9"></a>
<FONT color="green">010</FONT>    <a name="line.10"></a>
<FONT color="green">011</FONT>    /**<a name="line.11"></a>
<FONT color="green">012</FONT>     * Provides the Month abstract data type, which represents the collection of Week and Day<a name="line.12"></a>
<FONT color="green">013</FONT>     * instances in a given month.<a name="line.13"></a>
<FONT color="green">014</FONT>     * <a name="line.14"></a>
<FONT color="green">015</FONT>     * The Calendar is forced to Locale.US to ensure constant week boundaries. <a name="line.15"></a>
<FONT color="green">016</FONT>     * <a name="line.16"></a>
<FONT color="green">017</FONT>     * @author Hongbing Kou<a name="line.17"></a>
<FONT color="green">018</FONT>     */<a name="line.18"></a>
<FONT color="green">019</FONT>    public class Month implements TimePeriod {<a name="line.19"></a>
<FONT color="green">020</FONT>      /** Calendar year. */<a name="line.20"></a>
<FONT color="green">021</FONT>      private int year;<a name="line.21"></a>
<FONT color="green">022</FONT>      /** Calendar month. */<a name="line.22"></a>
<FONT color="green">023</FONT>      private int month;<a name="line.23"></a>
<FONT color="green">024</FONT>      /** Number of days in this month. */<a name="line.24"></a>
<FONT color="green">025</FONT>      private int numOfDays;<a name="line.25"></a>
<FONT color="green">026</FONT>      /** First day of the month. */<a name="line.26"></a>
<FONT color="green">027</FONT>      private Day firstDay;<a name="line.27"></a>
<FONT color="green">028</FONT>      /** Last day of the month. */<a name="line.28"></a>
<FONT color="green">029</FONT>      private Day lastDay;<a name="line.29"></a>
<FONT color="green">030</FONT>      /** Days' list in a month. */<a name="line.30"></a>
<FONT color="green">031</FONT>      private List&lt;Day&gt; days;  <a name="line.31"></a>
<FONT color="green">032</FONT>      <a name="line.32"></a>
<FONT color="green">033</FONT>      /**<a name="line.33"></a>
<FONT color="green">034</FONT>       * Creates a Month instance for the given year and month.<a name="line.34"></a>
<FONT color="green">035</FONT>       * <a name="line.35"></a>
<FONT color="green">036</FONT>       * @param year The calendar year, such as 2004.<a name="line.36"></a>
<FONT color="green">037</FONT>       * @param month The zero-based calendar month, such as 0 (January) or 11 (December).<a name="line.37"></a>
<FONT color="green">038</FONT>       */<a name="line.38"></a>
<FONT color="green">039</FONT>      public Month(int year, int month) {<a name="line.39"></a>
<FONT color="green">040</FONT>        this.year = year;<a name="line.40"></a>
<FONT color="green">041</FONT>        this.month = month;<a name="line.41"></a>
<FONT color="green">042</FONT>        <a name="line.42"></a>
<FONT color="green">043</FONT>        Calendar cal = Calendar.getInstance(Locale.US);<a name="line.43"></a>
<FONT color="green">044</FONT>        cal.set(Calendar.DAY_OF_MONTH, 1);<a name="line.44"></a>
<FONT color="green">045</FONT>        cal.set(Calendar.YEAR, this.year);<a name="line.45"></a>
<FONT color="green">046</FONT>        cal.set(Calendar.MONTH, this.month);<a name="line.46"></a>
<FONT color="green">047</FONT>    <a name="line.47"></a>
<FONT color="green">048</FONT>        this.numOfDays = cal.getActualMaximum(Calendar.DAY_OF_MONTH);<a name="line.48"></a>
<FONT color="green">049</FONT>        this.firstDay = Day.getInstance(year, month, 1);    <a name="line.49"></a>
<FONT color="green">050</FONT>        this.lastDay = Day.getInstance(year, month, this.numOfDays);<a name="line.50"></a>
<FONT color="green">051</FONT>        <a name="line.51"></a>
<FONT color="green">052</FONT>        this.days = new ArrayList&lt;Day&gt;();<a name="line.52"></a>
<FONT color="green">053</FONT>        for (int i = 0; i &lt; this.numOfDays; i++) {<a name="line.53"></a>
<FONT color="green">054</FONT>          this.days.add(Day.getInstance(year, month, i));<a name="line.54"></a>
<FONT color="green">055</FONT>        }<a name="line.55"></a>
<FONT color="green">056</FONT>      }<a name="line.56"></a>
<FONT color="green">057</FONT>      <a name="line.57"></a>
<FONT color="green">058</FONT>      /**<a name="line.58"></a>
<FONT color="green">059</FONT>       * Returns the Month instance corresponding to the passed XMLGregorianCalendar instance. <a name="line.59"></a>
<FONT color="green">060</FONT>       * @param xmlDay The XMLGregorianCalendar date. <a name="line.60"></a>
<FONT color="green">061</FONT>       */<a name="line.61"></a>
<FONT color="green">062</FONT>      public Month(XMLGregorianCalendar xmlDay) {<a name="line.62"></a>
<FONT color="green">063</FONT>        this(xmlDay.getYear(), xmlDay.getMonth() - 1);<a name="line.63"></a>
<FONT color="green">064</FONT>      }<a name="line.64"></a>
<FONT color="green">065</FONT>      <a name="line.65"></a>
<FONT color="green">066</FONT>      /**<a name="line.66"></a>
<FONT color="green">067</FONT>       * Returns the year associated with this Month.<a name="line.67"></a>
<FONT color="green">068</FONT>       * <a name="line.68"></a>
<FONT color="green">069</FONT>       * @return The year, such as 2004.<a name="line.69"></a>
<FONT color="green">070</FONT>       */<a name="line.70"></a>
<FONT color="green">071</FONT>      public int getYear() {<a name="line.71"></a>
<FONT color="green">072</FONT>        return this.year;<a name="line.72"></a>
<FONT color="green">073</FONT>      }<a name="line.73"></a>
<FONT color="green">074</FONT>      <a name="line.74"></a>
<FONT color="green">075</FONT>      /**<a name="line.75"></a>
<FONT color="green">076</FONT>       * Returns the zero-based month associated with this Month.<a name="line.76"></a>
<FONT color="green">077</FONT>       * <a name="line.77"></a>
<FONT color="green">078</FONT>       * @return The month, such as 0 (January) or 11 (December).<a name="line.78"></a>
<FONT color="green">079</FONT>       */<a name="line.79"></a>
<FONT color="green">080</FONT>      public int getMonth() {<a name="line.80"></a>
<FONT color="green">081</FONT>        return this.month;<a name="line.81"></a>
<FONT color="green">082</FONT>      }<a name="line.82"></a>
<FONT color="green">083</FONT>     <a name="line.83"></a>
<FONT color="green">084</FONT>      /**<a name="line.84"></a>
<FONT color="green">085</FONT>       * Returns the first Day instance associated with this Month.<a name="line.85"></a>
<FONT color="green">086</FONT>       * <a name="line.86"></a>
<FONT color="green">087</FONT>       * @return First Day of this Month.<a name="line.87"></a>
<FONT color="green">088</FONT>       */<a name="line.88"></a>
<FONT color="green">089</FONT>      public Day getFirstDay() {<a name="line.89"></a>
<FONT color="green">090</FONT>        return this.firstDay;<a name="line.90"></a>
<FONT color="green">091</FONT>      }<a name="line.91"></a>
<FONT color="green">092</FONT>    <a name="line.92"></a>
<FONT color="green">093</FONT>      /**<a name="line.93"></a>
<FONT color="green">094</FONT>       * Returns the Week instance associated with the first day in this Month.<a name="line.94"></a>
<FONT color="green">095</FONT>       * Note that the Week instance may include Day instances from the prior Month.<a name="line.95"></a>
<FONT color="green">096</FONT>       * <a name="line.96"></a>
<FONT color="green">097</FONT>       * @return The Week instance that includes the first Day of this Month.<a name="line.97"></a>
<FONT color="green">098</FONT>       */<a name="line.98"></a>
<FONT color="green">099</FONT>      public Week getFirstWeekInMonth() {<a name="line.99"></a>
<FONT color="green">100</FONT>        return new Week(this.firstDay);<a name="line.100"></a>
<FONT color="green">101</FONT>      }<a name="line.101"></a>
<FONT color="green">102</FONT>        <a name="line.102"></a>
<FONT color="green">103</FONT>      /**<a name="line.103"></a>
<FONT color="green">104</FONT>       * Returns the last Day instance associated with this Month.<a name="line.104"></a>
<FONT color="green">105</FONT>       * <a name="line.105"></a>
<FONT color="green">106</FONT>       * @return Last day of the month.<a name="line.106"></a>
<FONT color="green">107</FONT>       */<a name="line.107"></a>
<FONT color="green">108</FONT>      public Day getLastDay() {<a name="line.108"></a>
<FONT color="green">109</FONT>        return this.lastDay;<a name="line.109"></a>
<FONT color="green">110</FONT>      }<a name="line.110"></a>
<FONT color="green">111</FONT>    <a name="line.111"></a>
<FONT color="green">112</FONT>      /**<a name="line.112"></a>
<FONT color="green">113</FONT>       * Returns the Week instance associated with the last Day of this Month. <a name="line.113"></a>
<FONT color="green">114</FONT>       * Note that the Week instance may include Day instances from the next Month.<a name="line.114"></a>
<FONT color="green">115</FONT>       * <a name="line.115"></a>
<FONT color="green">116</FONT>       * @return Last week in the month.<a name="line.116"></a>
<FONT color="green">117</FONT>       */<a name="line.117"></a>
<FONT color="green">118</FONT>      public Week getLastWeekInMonth() {<a name="line.118"></a>
<FONT color="green">119</FONT>        return new Week(this.lastDay);<a name="line.119"></a>
<FONT color="green">120</FONT>      }<a name="line.120"></a>
<FONT color="green">121</FONT>    <a name="line.121"></a>
<FONT color="green">122</FONT>      /**<a name="line.122"></a>
<FONT color="green">123</FONT>       * Returns the number of days in this Month.<a name="line.123"></a>
<FONT color="green">124</FONT>       * <a name="line.124"></a>
<FONT color="green">125</FONT>       * @return Days in this month.<a name="line.125"></a>
<FONT color="green">126</FONT>       */<a name="line.126"></a>
<FONT color="green">127</FONT>      public int getNumOfDays() {<a name="line.127"></a>
<FONT color="green">128</FONT>        return this.numOfDays;    <a name="line.128"></a>
<FONT color="green">129</FONT>      }<a name="line.129"></a>
<FONT color="green">130</FONT>      <a name="line.130"></a>
<FONT color="green">131</FONT>      /**<a name="line.131"></a>
<FONT color="green">132</FONT>       * Compares two Month instances.<a name="line.132"></a>
<FONT color="green">133</FONT>       * <a name="line.133"></a>
<FONT color="green">134</FONT>       * @param o Another month object.<a name="line.134"></a>
<FONT color="green">135</FONT>       * @return Comparison result.<a name="line.135"></a>
<FONT color="green">136</FONT>       */<a name="line.136"></a>
<FONT color="green">137</FONT>      public int compareTo(Object o) {<a name="line.137"></a>
<FONT color="green">138</FONT>        Month month = (Month) o;<a name="line.138"></a>
<FONT color="green">139</FONT>        <a name="line.139"></a>
<FONT color="green">140</FONT>        if (this.year == month.year) { <a name="line.140"></a>
<FONT color="green">141</FONT>          return this.month - month.month; <a name="line.141"></a>
<FONT color="green">142</FONT>        }<a name="line.142"></a>
<FONT color="green">143</FONT>        else {<a name="line.143"></a>
<FONT color="green">144</FONT>          return this.year - month.year;<a name="line.144"></a>
<FONT color="green">145</FONT>        }<a name="line.145"></a>
<FONT color="green">146</FONT>      }<a name="line.146"></a>
<FONT color="green">147</FONT>    <a name="line.147"></a>
<FONT color="green">148</FONT>      /**<a name="line.148"></a>
<FONT color="green">149</FONT>       * Returns the Month instance prior to this Month.<a name="line.149"></a>
<FONT color="green">150</FONT>       * <a name="line.150"></a>
<FONT color="green">151</FONT>       * @return Previous month.<a name="line.151"></a>
<FONT color="green">152</FONT>       */<a name="line.152"></a>
<FONT color="green">153</FONT>      public Month dec() {<a name="line.153"></a>
<FONT color="green">154</FONT>        if (this.month == 0) {<a name="line.154"></a>
<FONT color="green">155</FONT>          return new Month(this.year - 1, 11);    <a name="line.155"></a>
<FONT color="green">156</FONT>        }<a name="line.156"></a>
<FONT color="green">157</FONT>        else {<a name="line.157"></a>
<FONT color="green">158</FONT>          return new Month(this.year, this.month - 1);<a name="line.158"></a>
<FONT color="green">159</FONT>        }     <a name="line.159"></a>
<FONT color="green">160</FONT>      }<a name="line.160"></a>
<FONT color="green">161</FONT>       <a name="line.161"></a>
<FONT color="green">162</FONT>      /**<a name="line.162"></a>
<FONT color="green">163</FONT>       * Returns the Month instance after this Month.<a name="line.163"></a>
<FONT color="green">164</FONT>       * <a name="line.164"></a>
<FONT color="green">165</FONT>       * @return Next month.<a name="line.165"></a>
<FONT color="green">166</FONT>       */<a name="line.166"></a>
<FONT color="green">167</FONT>      public Month inc() {<a name="line.167"></a>
<FONT color="green">168</FONT>        if (this.month == 11) {<a name="line.168"></a>
<FONT color="green">169</FONT>          return new Month(this.year + 1, 0);    <a name="line.169"></a>
<FONT color="green">170</FONT>        }<a name="line.170"></a>
<FONT color="green">171</FONT>        else {<a name="line.171"></a>
<FONT color="green">172</FONT>          return new Month(this.year, this.month + 1);<a name="line.172"></a>
<FONT color="green">173</FONT>        }     <a name="line.173"></a>
<FONT color="green">174</FONT>      }<a name="line.174"></a>
<FONT color="green">175</FONT>      <a name="line.175"></a>
<FONT color="green">176</FONT>      /**<a name="line.176"></a>
<FONT color="green">177</FONT>       * Hash code of this Month.<a name="line.177"></a>
<FONT color="green">178</FONT>       * <a name="line.178"></a>
<FONT color="green">179</FONT>       * @return Month's hashcode.<a name="line.179"></a>
<FONT color="green">180</FONT>       */<a name="line.180"></a>
<FONT color="green">181</FONT>      @Override<a name="line.181"></a>
<FONT color="green">182</FONT>      public int hashCode() {<a name="line.182"></a>
<FONT color="green">183</FONT>        String monthString = "" + this.year + "" + this.month;<a name="line.183"></a>
<FONT color="green">184</FONT>        return monthString.hashCode();<a name="line.184"></a>
<FONT color="green">185</FONT>      }<a name="line.185"></a>
<FONT color="green">186</FONT>      <a name="line.186"></a>
<FONT color="green">187</FONT>      /**<a name="line.187"></a>
<FONT color="green">188</FONT>       * Returns true if the passed object is a month and is equal to this Month.<a name="line.188"></a>
<FONT color="green">189</FONT>       * <a name="line.189"></a>
<FONT color="green">190</FONT>       * @param obj Any object.<a name="line.190"></a>
<FONT color="green">191</FONT>       * @return True if two months are the equal.<a name="line.191"></a>
<FONT color="green">192</FONT>       */<a name="line.192"></a>
<FONT color="green">193</FONT>      @Override<a name="line.193"></a>
<FONT color="green">194</FONT>      public boolean equals(Object obj) {<a name="line.194"></a>
<FONT color="green">195</FONT>        return ((obj instanceof Month) &amp;&amp; <a name="line.195"></a>
<FONT color="green">196</FONT>                (this.year == ((Month) obj).year &amp;&amp; this.month == ((Month) obj).month));  <a name="line.196"></a>
<FONT color="green">197</FONT>      }<a name="line.197"></a>
<FONT color="green">198</FONT>      <a name="line.198"></a>
<FONT color="green">199</FONT>      /**<a name="line.199"></a>
<FONT color="green">200</FONT>       * String representation of this Month.<a name="line.200"></a>
<FONT color="green">201</FONT>       * <a name="line.201"></a>
<FONT color="green">202</FONT>       * @return Month string.<a name="line.202"></a>
<FONT color="green">203</FONT>       */<a name="line.203"></a>
<FONT color="green">204</FONT>      @Override<a name="line.204"></a>
<FONT color="green">205</FONT>      public String toString() {<a name="line.205"></a>
<FONT color="green">206</FONT>        SimpleDateFormat formatter = new SimpleDateFormat("MMM-yyyy", Locale.US);<a name="line.206"></a>
<FONT color="green">207</FONT>        Day day = Day.getInstance(this.year, this.month, 1);<a name="line.207"></a>
<FONT color="green">208</FONT>        return formatter.format(day.getDate());<a name="line.208"></a>
<FONT color="green">209</FONT>      }<a name="line.209"></a>
<FONT color="green">210</FONT>    <a name="line.210"></a>
<FONT color="green">211</FONT>      /**<a name="line.211"></a>
<FONT color="green">212</FONT>       * Returns a list of Day instances from the first Day to the last Day in this Month.<a name="line.212"></a>
<FONT color="green">213</FONT>       * <a name="line.213"></a>
<FONT color="green">214</FONT>       * @return A sorted list of the Days in this Month.<a name="line.214"></a>
<FONT color="green">215</FONT>       */<a name="line.215"></a>
<FONT color="green">216</FONT>      public List&lt;Day&gt; getDays() {<a name="line.216"></a>
<FONT color="green">217</FONT>        return this.days;<a name="line.217"></a>
<FONT color="green">218</FONT>      }<a name="line.218"></a>
<FONT color="green">219</FONT>      <a name="line.219"></a>
<FONT color="green">220</FONT>      <a name="line.220"></a>
<FONT color="green">221</FONT>    }<a name="line.221"></a>




























































</PRE>
</BODY>
</HTML>
